Milk Thistle
veg · base score 1 · also listed as milk thistle, silymarin, milk thistle extract
What is it?
Milk Thistle is a vegetable ingredient. Graded good: a real, recognisable ingredient that adds nutritional value, so it lifts a product’s score.
At a glance
- Category
- veg
- Grade
- good
- Base score
- 1 (from −1 to 1; higher is better)
- Found in
- 164 products
- Also listed as
- milk thistle, silymarin, milk thistle extract
Common questions about milk thistle
Is Milk Thistle good for dogs?
Yes, we grade it as a good ingredient: recognisable and nutritionally useful, so it lifts a product’s score. Bear in mind that no single ingredient decides quality; the whole recipe and its balance matter more.
How many UK dog foods contain milk thistle?
164 UK products list milk thistle as an ingredient in our database. The full list is shown below, sorted by rating.
What else is milk thistle called on labels?
Manufacturers list it under several names: milk thistle, silymarin, milk thistle extract. We match all of these to the same glossary entry when we read a label.
How does Open Dog Food grade milk thistle?
We grade it good, our highest grade, reserved for recognisable ingredients that add real nutritional value. Every ingredient is converted to its dry-matter share and scored from our glossary before a recipe gets its 1-100 rating; the full method is on our methodology page.
Is milk thistle safe for dogs?
Milk thistle is a plant extract sometimes included in dog foods and supplements. It is generally regarded as safe in small amounts, but speak to your vet before using it for a specific reason.
What does milk thistle do for dogs?
Milk thistle is a botanical ingredient traditionally used in herbal preparations. We do not make medical claims, so speak to your vet for advice.







